package wensheng.stu.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import wensheng.stu.entity.Category;

import java.sql.SQLIntegrityConstraintViolationException;

@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler{
    //异常处理类

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)//来处理sql的异常
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")) {
            String[] s = ex.getMessage().split(" ");
            String msg = s[2] + "已经存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    @ExceptionHandler(CustomExceptionHandler.class)//来处理sql的异常
    public R<String> exceptionHandler(CustomExceptionHandler ex){
        log.error(ex.getMessage());

        return R.error(ex.getMessage());
    }







}
